Why astronomers are scrambling to observe the weirdest star in the galaxy this weekend

It was early Thursday morning when astronomer Matt Muterspaugh noticed something strange with the star he had been observing for the last year and a half. Telescope data taken from the night before showed that the brightness of the star had dipped significantly. He contacted other astronomers who had also been observing the same star, to let them know what he had seen and to keep an eye on it for any more changes. Then by the following morning, the star had dimmed even more. That's when he and t...